Home / 992,499,103.90-1,489,067,520.45-665,344,024.30

Finding the Fourth Proportional to 992,499,103.90, 1,489,067,520.45 and 665,344,024.30

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Solution

The fourth proportional to 992,499,103.90, 1,489,067,520.45 and 665,344,024.30 is: 998,229,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,499,103.90 : 1,489,067,520.45 = 665,344,024.30 : x
  2. Step 2: Convert to fraction form
    992,499,103.90/1,489,067,520.45 = 665,344,024.30/x
  3. Step 3: Cross multiply
    992,499,103.90x = 1,489,067,520.45 × 665,344,024.30
  4. Step 4: Simplify right side
    992,499,103.90x = 990,742,176,510,625,536
  5. Step 5: Solve for x
    x = 990,742,176,510,625,536/992,499,103.90
  6. Step 6: Final answer
    x = 998,229,794.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.